通信电缆

多线对市内通信电缆串音特性分析

Characteristic Analysis on the Cross Talk of Multiple Pairs Telecommunication Cable

直埋金属管道对其内铠装通信电缆的电磁屏蔽计算

Electromagnetic shielding calculation of the telecommunication cable surrounded by buried pipelines

PVC通信电缆绝缘料流变行为的研究

On the Rheological Behaviour of PVC Compound for Insulating Jacket of Cable

通信电缆屏蔽层EMC接地设计分析

Analyse for EMC grounding of the shielding layer of cables

基于MES的通信电缆生产信息系统应用研究

Study on the application of MES-based information system for the telecom cable production

通信电缆光缆LLDPE护套料用黑色母料的研制

Development of Black Masterbatch for LLDPE Sheathing Materials of Optical Cable

采用HDPE硅管是通信电缆穿管道发展的大趋势。

Application of HDPE silicon tube is the development trend for fiber communications lying together with pipelines .

引下线中的雷电流通过近场的电磁感应将雷电波（高电位）沿着附近的信号电缆、电源电缆和通信电缆引入DCS；

Lightning current in the Down-conductor system brings lightning surge inducted by near field electromagnetic induction into DCS along the local signal cables , power cables and communication cables ;

结合集散控制系统（DCS）的技术特点和现场信号分类，对控制系统关联的各种信号电缆布设、工业通信电缆布设和接地等问题进行了详细阐述。

According to the technical characteristic and the field signal classifications in DCS , the paper elaborated the following problems in detail : installation of kinds of signal cable in DCS , installation and earthing of industrial communications cable , etc.

介绍了DCS中冗余设计的几种方法，其中涉及电源、控制器、I/O模块、通信电缆以及整个控制系统的冗余问题，并对冗余方式的可靠性进行了分析。

Several methods of the design of redundancy of distributed control systems are introduced . These include the redundancy for power supply controller , I / O modules , communication cables and the integral system . The reliability of the redundancy is also analyzed .

DGC-711H系列电缆测试仪在通信电缆故障处理中的应用

The application of DGC-711H series cable testing instrument at lines of communication on treat with malfunction

利用片上可编程系统（SOPC）设计了新型的通信电缆故障探测仪，给出系统设计的技术指标及总体设计方案，并完成了系统的整体设计。

We used the system on a programmable chip ( SOPC ) to design a new type of communications cable fault detectors . Given system design specifications and overall design , we completed the overall design of the system .

随着数字通信电缆传输频率越来越高，为了达到宽带用户接入网最后100米的要求，对SRL的在线预测变得越来越迫切。

With the increasing of transmission frequency of data communication cable , the requirement of predicting SRL online became urgent according to the demand in last 100m of broadband user access network .

本设计基于硬件SOPC的实现方法，结合TFDR检测理论，可产生良好的探测发射波形并能够采集到良好的故障反射信号，可快速准确探测通信电缆故障点，实现通信电缆故障定位和类型判断。

It can produce a good detecting transmission waveforms and also can collect the good reflected signal . Communication cable can quickly and accurately detect the point of failure and achieve communication cable fault location and type of judge .

阻抗的均匀性是影响数字通信电缆传输性能的重要因素，而结构回波损耗（SRL）是表征阻抗沿长度周期性不均匀的重要参数，是评估电缆传输质量的指标之一。

Non-homogeneity of impedance is one of important factors for transmission properties of data communication cable . Structure Return Loss ( SRL ) is an important parameter to periodical non-homogeneity of impedance along length , which is one of characteristic parameters to evaluate cable transmission quality .

直埋通信电缆雷电感应过电压试验研究

Research on Over-voltage Induced by Lightning on Directly-buried Communication Coaxial Cable

HYA3600对及以下系列全塑市内通信电缆

Model HYA Series of All-plastic Local Communication Cables Up-to 3600 Pairs

关于对绞型通信电缆串音问题的探讨

On the Cross talk of the Pair - Twisted Telecom Cables

一步法制备聚氨酯通信电缆灌封胶

Polyurethane pouring sealant for communication cable prepared by one step synthesis

广泛用于架空、埋地通信电缆接续。

Widely applied for the junction of over-head and embedded cable .

铜包铝芯市内通信电缆的设计与制造

Design and Production of Copper-Clad Aluminium Conductor Cables for Local Communications

对称数字通信电缆反射性能参数及测试数据分析

Reflection Properties of the Data Cable and Analysis on Parameters Tested

特种通信电缆&泄漏电缆的研究

A Special Communication Cable & A Study of the Leaky Cable

非常适用于全塑、纸浆、铅包充气通信电缆系统的堵塞。

Analysis on signaling cable anti-interference against the field in substation ;

多芯通信电缆配对及故障测试方法研究

Research on Pair-matching and Fault Testing Methods for Multi-core Communications Cable

无线电波对通信电缆干扰的研究

Study of Interference Arising from Radio Wave Induction into Telecommunication Cables

铬系聚乙烯在市话通信电缆绝缘领域的应用研究

Research on Application of Cr-Polyethylene in Cable Insulation for Incity Communication

对称数字通信电缆结构回波损耗影响因素分析

Analysis of affecting factors on SRL of symmetrical digital communication cable

大对数通信电缆串音特性及仿真分析

Large Number of Communication Cables on the Crosstalk Characteristics and Simulation Analysis

塑料通信电缆粘结护层中的铝－聚乙烯粘结

The Cohesion of Aluminum-Polyethylene In the Plastic Communication Cable With Bonded Jacket